XML 46 R36.htm IDEA: XBRL DOCUMENT
v3.24.1

Investment Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract] |
Summary of Amortized Cost, Gross Unrealized Gains and Losses, Allowance for Credit Losses and Fair Value of Investment Securities Available for Sale | The amortized cost, gross unrealized gains and losses, allowance for credit losses, and fair value of investment securities available for sale are summarized as follows:
|  | December 31, 2023 |
(In Thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Allowance for Credit Losses |  |  | Fair Value |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Government Agency securities |  | $ | 12,711 |  |  | $ | 279 |  |  | $ | (5 | ) |  | $ | — |  |  | $ | 12,985 |
US Government Treasury securities |  |  | 4,925 |  |  |  | 17 |  |  |  | — |  |  |  | — |  |  |  | 4,942 |
Obligations of state and political subdivisions |  |  | 49,640 |  |  |  | 420 |  |  |  | (3,015 | ) |  |  | — |  |  |  | 47,045 |
Mortgage-backed securities in government-sponsored entities |  |  | 50,795 |  |  |  | 515 |  |  |  | (3,129 | ) |  |  | — |  |  |  | 48,181 |
Other securities |  |  | 2,301 |  |  |  | 49 |  |  |  | (13 | ) |  |  | — |  |  |  | 2,337 |
|  | $ | 120,372 |  |  | $ | 1,280 |  |  | $ | (6,162 | ) |  | $ | — |  |  | $ | 115,490 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Allowance for Credit Losses |
Held to Maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debentures |  | $ | 15,000 |  |  | $ | — |  |  | $ | (1,592 | ) |  | $ | 13,408 |  |  | $ | (512 | )
Structured mortgage-backed securities |  |  | 21,735 |  |  |  | — |  |  |  | (907 | ) |  |  | 20,828 |  |  |  | — |
|  | $ | 36,735 |  |  | $ | — |  |  | $ | (2,499 | ) |  | $ | 34,236 |  |  | $ | (512 | )
|  | December 31, 2022 |  |  |  |
(In Thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  |  |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Small Business Administration loan pools |  | $ | 858 |  |  | $ | — |  |  | $ | (15 | ) |  | $ | 843 |  |  |  |
Obligations of state and political subdivisions |  |  | 44,189 |  |  |  | 14 |  |  |  | (4,034 | ) |  |  | 40,169 |  |  |  |
Mortgage-backed securities in government-sponsored entities |  |  | 41,873 |  |  |  | — |  |  |  | (4,072 | ) |  |  | 37,801 |  |  |  |
|  | $ | 86,920 |  |  | $ | 14 |  |  | $ | (8,121 | ) |  | $ | 78,813 |  |  |  |
Held to Maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debentures |  | $ | 14,993 |  |  | $ | — |  |  | $ | (994 | ) |  | $ | 13,999 |  |  |  |
Structured mortgage-backed securities |  |  | 16,829 |  |  |  | — |  |  |  | (748 | ) |  |  | 16,081 |  |  |  |
|  | $ | 31,822 |  |  | $ | — |  |  | $ | (1,742 | ) |  | $ | 30,080 |  |  |  |
Summary of Gross Unrealized Losses and Fair Value | The following tables show the Company's gross unrealized losses and fair value, aggregated by investment category and length of time the individual debt securities have been in a continuous unrealized loss position.
|  | December 31, 2023 |
|  | Less Than Twelve Months |  |  | Twelve Months or Greater |  |  | Total |
(In Thousands) |  | Fair Value |  |  | Gross Unrealized Loss |  |  | Fair Value |  |  | Gross Unrealized Loss |  |  | Fair Value |  |  | Gross Unrealized Loss |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Government Agency Securities |  | $ | 1,995 |  |  | $ | (5 | ) |  | $ | — |  |  | $ | — |  |  | $ | 1,995 |  |  | $ | (5 | )
Obligations of state and political subdivisions |  |  | 4,836 |  |  |  | (247 | ) |  |  | 27,736 |  |  |  | (2,768 | ) |  |  | 32,572 |  |  |  | (3,015 | )
Mortgage-backed securities in government-sponsored entities |  |  | 4,703 |  |  |  | (136 | ) |  |  | 31,249 |  |  |  | (2,993 | ) |  |  | 35,952 |  |  |  | (3,129 | )
Other securities |  |  | — |  |  |  | — |  |  |  | 601 |  |  |  | (13 | ) |  |  | 601 |  |  |  | (13 | )
|  | $ | 11,534 |  |  | $ | (388 | ) |  | $ | 59,586 |  |  | $ | (5,774 | ) |  | $ | 71,120 |  |  | $ | (6,162 | )
|  | December 31, 2022 |
|  | Less Than Twelve Months |  |  | Twelve Months or Greater |  |  | Total |
(In Thousands) |  | Fair Value |  |  | Gross Unrealized Loss |  |  | Fair Value |  |  | Gross Unrealized Loss |  |  | Fair Value |  |  | Gross Unrealized Loss |
Available for Sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Small Business Administration loan pools |  | $ | 334 |  |  | $ | (1 | ) |  | $ | 509 |  |  | $ | (14 | ) |  | $ | 843 |  |  | $ | (15 | )
Obligations of state and political subdivisions |  |  | 34,836 |  |  |  | (3,372 | ) |  |  | 2,559 |  |  |  | (662 | ) |  |  | 37,395 |  |  |  | (4,034 | )
Mortgage-backed securities in government-sponsored entities |  |  | 18,052 |  |  |  | (1,538 | ) |  |  | 19,749 |  |  |  | (2,534 | ) |  |  | 37,801 |  |  |  | (4,072 | )
|  | $ | 53,222 |  |  | $ | (4,911 | ) |  | $ | 22,817 |  |  | $ | (3,210 | ) |  | $ | 76,039 |  |  | $ | (8,121 | )
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debentures |  | $ | 13,999 |  |  | $ | (994 | ) |  | $ | — |  |  | $ | — |  |  | $ | 13,999 |  |  | $ | (994 | )
Structured mortgage-backed securities |  |  | 16,081 |  |  |  | (748 | ) |  |  | — |  |  |  | — |  |  |  | 16,081 |  |  |  | (748 | )
|  | $ | 30,080 |  |  | $ | (1,742 | ) |  | $ | — |  |  | $ | — |  |  | $ | 30,080 |  |  | $ | (1,742 | )
Summary of Amortized Cost and Fair Value by Contractual Maturity | As of December 31, 2023, amortized cost and fair value by contractual maturity, where applicable, are shown below. Actual maturities may differ from contractual maturities because the borrower may have the right to prepay obligations with or without penalty.
|  | Available for Sale Securities |  |  | Held to Maturity Securities |
(In Thousands) |  | Amortized Cost |  |  | Fair Value |  |  | Amortized Cost |  |  | Fair Value |
Due within one year |  | $ | 8,093 |  |  | $ | 8,160 |  |  | $ | — |  |  | $ | — |
Due after one year through five years |  |  | 12,154 |  |  |  | 12,186 |  |  |  | 6,000 |  |  |  | 5,795 |
Due after five years through ten years |  |  | 19,812 |  |  |  | 19,248 |  |  |  | 9,000 |  |  |  | 7,613 |
Due after ten years |  |  | 27,845 |  |  |  | 25,993 |  |  |  | — |  |  |  | — |
Mortgage-backed securities and Collateralized mortgage obligations |  |  | 50,795 |  |  |  | 48,181 |  |  |  | 21,735 |  |  |  | 20,828 |
Other securities |  |  | 1,673 |  |  |  | 1,722 |  |  |  | — |  |  |  | — |
|  | $ | 120,372 |  |  | $ | 115,490 |  |  | $ | 36,735 |  |  | $ | 34,236 |
Summary of Sales of Debt Securities | The following table summarizes sales of debt securities:
(In Thousands) |  | For the year ended December 31, |
|  | 2023 |  |  | 2022 |
Proceeds |  | $ |  | 91,364 |  |  | $ |  | 513 |
Gross gains |  |  |  | — |  |  |  |  | 13 |
Gross losses |  |  |  | 2,370 |  |  |  |  | — |
Net loss |  | $ |  | (2,370 | ) |  | $ |  | 13 |

X
- Definition Available for sale debt securities fair value and amortized costs contractual maturity where applicable. + References No definition available. + Details
Name: | lnkb_AvailableForSaleDebtSecuritiesFairValueAndAmortizedCostsContractualMaturityWhereApplicableTableTextBlock
Namespace Prefix: | lnkb_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt securities available for sale reconciliation of fair value to amortized cost. + References No definition available. + Details
Name: | lnkb_DebtSecuritiesAvailableForSaleReconciliationOfFairValueToAmortizedCostTableTextBlock
Namespace Prefix: | lnkb_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-9 + Details
Name: | us-gaap_ScheduleOfRealizedGainLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration